baber/WOPTO huggingface dataset:
Patent GB-1274051-A (GB)
Title: Improvements in or relating to transistor switches
IPC: H03K5/13
Filed: 1969-08-13
Abstract: 1,274,051. Transistor switching circuits. ROBERT BOSCH G.m.b.H. 13 Aug., 1969 [14 Aug., 1968], No. 40460/69. Heading H3T. [Also in Division F1] In a switching circuit comprising a transistor monostable multivibrator 1, 2, 7, a changeover switching mechanism, such as, a relay or electronic switch 6, 14 is arranged in the collector circuit of transistor 2 and the switching mechanism is operative to shunt a timing resistor 18, connectible between the base of the transistor 1 and a power supply line, when the multivibrator is in its stable state with 1 and 2 on and off, the switching mechanism is arranged to change over so as to open the shunt circuit when the multivibrator is in its quasi stable state and in the changed over state is adapted to connect the glow plug across a power supply. The circuit supplies power to a glow plug 21 in a diesel engine for a certain time after the start of the engine which causes a switch 23 to be closed, thus triggering the multivibrator. Switch 14 is then actuated to provide an alternative current path through terminal 20 to glow plug 21. Resistor 18 may be replaced by a variable resistor. A resistor 17 may be connected in parallel with the resistor 18 through a switch 12 in position c.
Patent GB-1429974-A (GB)
Title: Motion converter in an electric timepiece having a mechanical  oscillator
IPC: G04C3/10
Filed: 1973-08-28
Abstract: 1429974 Electric timepieces N I INST CHASOV PROMYSHLEN 28 Aug 1973 40541/73 Heading G3T In an electric timepiece having a mechanical oscillator 8 which drives a ratchet wheel 4 via a motion converter, the latter comprises a resilient pawl 1 which is fixed at least at one of its ends to a framework part 2 and is deflected by the oscillator but advances the wheel 4 during its return stroke when it is uncoupled from the oscillator. The pawl has a natural frequency equal to or greater than one third of that of the oscillator. As shown the oscillator is a tuning fork carrying a push-rod 12 or a pull-rod (9), Fig. 1 (not shown). The oscillator may, however, be a balance carrying a pawl actuating cam (18), Fig. 5 (not shown) or a permanent magnet (16), Figs. 3, 4 (not shown). The pawl is then made of magnetizable material and may be fixed at both its ends. The pawl displacement is limited by stops 10, 11.
Patent GB-1368607-A (GB)
Title: Method of producing fried chicken
IPC: A23L13/50
Filed: 1971-08-31
Abstract: 1368607 Fried chicken BARBECUE KING Ltd 31 Aug 1971 40646/71 Heading A2E Fried chicken is produced by a process comprising cutting raw chicken into pieces, coating with a layer of breading material, immersing the peces in a hot frying medium in a presure cooking vessel, closing the vessel and cooking the pieces between 275 and 300‹F. under a pressure of 15 pounds per square inch above atmospheric. The pieces may be subjected to preliminary heating, e.g. soaking in warm water or heating in a micro-wave oven, before breading.
Patent GB-1032592-A (GB)
Title: Chemical recovery process and apparatus
Inventor: JONES GORDON KENNETH
IPC: C01F7/306
Filed: 1961-11-14
Abstract: A melt or an aqueous solution or slurry of at least one metal chloride, sulphate or nitrate is injected, as by spraying, into the upper part of a reactor, thermally decomposing at least some of the metal salt by means of hot gas while the sprayed liquid falls countercurrently to it in the presence of water vapour in the case of the chloride, collecting the solid decomposition products into a fluidized bed in the lower part of the reactor so as to decompose residual metal salt at elevated temperature, again in the presence of water vapour in the case of the chloride, and withdrawing fluidizing gases and gaseous decomposition products from the reactor.  Specified salts include the chlorides of magnesium, iron, aluminium, calcium, zinc and manganese, the sulphates of magnesium, iron and aluminium and the nitrates of calcium, magnesium, iron and zinc.  The process is particularly applicable to the recovery of chlorides from the liquor derived from the HCl activation of clays such as bentonites, subbentonites and calcium montmorillonite, the HCl produced in the reactor being recovered and re-used.  The hot gases for the decomposition may be introduced through a tangential inlet near the lower end of the upper part of the reactor, or wholly or partly through the fluidized bed.
Patent GB-1084436-A (GB)
Title: Improvements in internal combustion engines having fuel injection mechanisms
IPC: G05D13/00
Filed: 1964-10-06
Abstract: 1,084,436. Spray carburetters. REGIE NATIONALE DES USINES RENAULT. Oct. 6, 1964 [Oct. 14, 19 No.40795/64. Heading F1B. In a low-pressure fuel injector system having a centrifugal pump 91 feeding pipe 59 leading to injector orifices 33 in the intake pipes, the size of the injector orifices is controlled through a cam follower 75 by a three dimensional cam 74 rotated in accordance with throttle valve position, the cam follower 75 being moved across the cam face by devices 103, 111, in accordance with fuel injector pressure and intake manifold pressure. The cam follower 75 actuates through links levers 49 which rotate screw threaded rods 46 to adjust the position of slide valves 36 controlling the injector orifices. The cam follower rod 77 is moved sideways in a guide slot 85 by a lever 86 actuated by the bellows 103, 111, to which the fuel injection pressure and intake manifold pressure are transmitted by pipes 101, 114. The upper end of the lever 86 also controls a slide valve 119 which at high intake manifold suction at overrunning is moved sufficiently far to the right to connect pipe 121 to pipe 114, whereby the intake manifold suction lifts a piston 123 to block an atmospheric bleed 128 so that suction is suddenly applied to a diaphragm 130 to move a linkage 136, 138, 140, 57, to actuate cut-off levers 55 which move the valves 36 to cut-off the fuel during overrunning. The pump 91 is supplied by a feed pump 88 through filter 89, the fuel supply pipe 90 being eccentric of the axis of the impeller 92 to permit air and fuel vapour to be bled off through a pipe 95 arranged on the impeller axis.
Patent GB-1399462-A (GB)
Title: Apparatus for the production of patterns by a polychromatic  dyeing machine
IPC: D06B11/00
Filed: 1971-09-02
Abstract: 1399462 Simulator for polychromatic dyeing processes C NEWTON 29 Aug 1972 [2 Sept 1971] 40884/71 Heading D1L Apparatus for simulating the patterns producible by a polychromatic dyeing machine comprisesa drum 13 for supporting a substrate (e.g. of paper) 16 which is attached thereto, carriages 17 and 18 mounted on bars 21, 22 and 23, 24 respectively for transverse reciprocation above the substrate, a plurality of markers 39, spring or gravity loaded in the carriages, to contact the substrate, means comprising connecting rods 34, crank arms 32, pulley 35, gear box 36 and motor 37 for reciprocating the carriages at any desired speed or phase angle and motor 38 for driving the shaft 14 of drum 13. The markers 39 may be pens, pencils, crayons, felt-tipped pens, brushes or fine jets. The motors 37 and 38 may be interconnected electronically to produce the desired pattern on the substrate 16, which is attached to the drum surface, e.g. a single sheet of paper fixed thereto. In an alternative embodiment (Fig 4, not shown) the carriages are mounted above a table which carries the substrate and is movable past the markers on wheels by a rack and pinion mechansim. For Figures see next column
Patent GB-944772-A (GB)
Title: Improvements in and relating to heat exchangers
IPC: F28D7/16
Filed: 1961-11-16
Abstract: 944,772. Heat exchanger headers. BRITISH PETROLEUM CO. Ltd., W. G. RICHARDS, and R. S. BURTON. Sept. 26, 1962 [Nov. 16, 1961], No. 41034/61. Heading F4S. A return header cover on a return pass type heat-exchanger comprises an internal surface of which part is concave, of part spherical or paraboloid form, and part is convex, the cover projecting outwardly from the heat-exchanger. The convex part of the surface is opposite the return tube bank of the heat-exchanger, and may comprise two symmetrically placed partspherical surfaces, Fig. 3A, or a single partcylindrical surface, Fig. 4C. The cover may be a floating head cover.
Patent GB-895669-A (GB)
Title: Improvements relating to dust extraction units
IPC: B01D45/14
Filed: 1960-11-30
Abstract: 895,669. Centrifugal separators. MORE WEAR INDUSTRIES (RHODESIA) (PRIVATE) Ltd., and WEST, W. F. Nov. 30, 1960 [June 10, 1960], No. 41114/60. Class 23. [Also in Group X11] A dust extraction unit comprises a centrifugal separator 1 and an expansion chamber 2, the separator comprising a rotatable disc 9 having radial blades 11 on each face closely housed in a casing 6 having an axial inlet 7 and an axial outlet 8 connected to the chamber 2. Air is drawn through the unit by a fan 3 and water or other liquid is injected into the air stream at 4 and 5 before and after the separator. The disc 9 and the fan 3 are mounted in a common driving shaft 10. Circumferentially spaced baffles 13, Fig. 3, are fitted in the casing 6 close to the blade tips. Dust and liquid collected by the separator 1 drains to the bottom of the casing 6 in the form of a light sludge and is drained through outlet 14 and pipe 18 to a liquid filled trough 19. Further dust and liquid separated from the air stream in the chamber 2 by cyclonic action due to the blades 11 is drained through an outlet 16 and pipe 17 to a second liquid filled trough 19, both troughs 19 overflowing into a common drain 20. Clean air is discharged to atmosphere through a flue 21 by the fan 3.
Patent GB-1277972-A (GB)
Title: Determination of oil in a flowing stream
Inventor: PFREHM RAYMOND HARRY
IPC: G01N9/00
Filed: 1969-08-18
Abstract: 1277972 Measuring proportions of liquid mixtures electrically ESSO RESEARCH & ENG CO 18 Aug 1969 41169/69 Heading G1N The amount of the lighter liquid in a mixture of two immiscible liquids is determined by measuring the total volume of liquid flowing through a conduit and the total mass and calculating the percentage of the lighter liquid from the equation:- A mixture of oil and water from a well is flowed through turbine meter 12 and orifice meter 13 positioned in conduit 11. The analogue function #p of the differential pressure transducer 17 connected to the orifice meter 13 is divided at 23 by the output f of digital to analogue converter 21 connected to the turbine meter 12 to obtain a quotient proportional to the total mass flow-rate, the quotient being converted to a digital output by 26. The total volume of liquids flowing through the conduit 11 is measured directly from the turbine meter at turbine meter read-out. Since the specific gravity of the oil and water are known the percentage of the lighter liquid i.e. oil is obtained from the above equation.
Patent GB-1367522-A (GB)
Title: Anti-skid hydraulic braking system incorporated in a vehicle having wheels
IPC: B60T8/58
Filed: 1971-09-06
Abstract: 1367522 Anti-skid circuits TOYOTA JIDOSHA KOGYO KK 6 Sept 1971 [30 Dec 1970] 41519/71 Heading F2F An anti-skid brake system is controlled by a flow regulating device actuated by a control circuit including comparator means which compares a wheel periphery velocity signal with a reference signal, responsive to velocity signal changes, the reference signal when less there than being unable to decrease greater than a predetermined rate, the comparator output being dependent on the signal comparison when the circuit also including switch means operable in response to vehicle braking and a logic circuit having inputs from the comparator means and switch means and producing a signal to operate the flow regulating device to allow full brake fluid flow only when the velocity signal exceeds the reference signal. When a brake pedal 40 is depressed hydraulic fluid is fed under pressure from a chamber 30 to a chamber 97b, through a valve 96a to the brake wheel cylinder 20. The valve 96a is kept open by a spring 92b acting on a diaphragm 92a, with pressures less than atmospheric on both faces supplied from a vehicle intake 80 via a valve 70. When the wheel speed drops below a predetermined value a control circuit 60 energizes a coil 79 to move a piston 72 in the valve 70 so that a chamber 94 below the diaphragm 92a is fed from the atmosphere via an inlet 75, a chamber 73 and an outlet 77, thus raising the valve 96a to close it and also decreasing fluid pressure in the cylinder 20 by increasing the volume of a chamber above the valve 96a. The control 60, Fig. 2, has a comparator 109 having an input from a wheel speed voltage generator 50 and from a capacitor 101. The capacitor produces pulsed signals at intervals of time, the signals decreasing with time to provide a varying predetermined reference wheel speed value, by means of a transistor 108 supplied from the comparator outlet 109 via a differentiating ciruit 119, 120 and an inverter, and by means of a transistor 103 supplied from the comparator outlet 109 via a logic circuit with NAND gates 111, 112, 114, an inverter 113 and a transistor 115. The comparator 109 provides an output to an AND gate 121 when the wheel speed is less than the reference speed value, and the AND gate produces an output to the coil 79 from a combination of the comparator output and an output from the switch 41 operated when the brake pedal 40 is depressed.
Patent GB-955456-A (GB)
Title: An improved socket for electric jack plugs
Inventor: GREASLEY ERIC ARTHUR
IPC: H01R24/58
Filed: 1962-11-02
Abstract: 955,456. Two-part couplings. PRESSAC Ltd. Nov. 2, 1962, No. 41535/62. Heading H2E. A jack comprises two coaxial insulating body members 1, 2, held together and concentrically positioned by an outer metal sleeve 8, and three contact strips 5, 6, 7 located in channels 4 in member 2 and extending through apertures in its end wall to provide solder-tags. Axial displacement of sleeve 8 is prevented by inturned sleeve end 8a and spaced-apart dimples 11 which engage shoulders 9 and 10 on members 2 and 1 respectively, rotational movement of member 2 within sleeve 8 being prevented by an inturned end portion 15 of sleeve 8 contacting a flat circumferential side of member 2. The member 1 may be retained centrally within sleeve 8 in various ways (Figs. 4 and 7 to 14, not shown), by providing spaced-apart longitudinal ribs on the outer surface of member 1 or inner surface of sleeve 8, by longitudinal grooves in member 1 which are engaged by dimples 11, by a circumferential inwardlyprojecting rib on sleeve 8, or by indenting the sleeve 8 and material of member 1 at spaced points. One end 5a of strip 5 projects into bore 3 of member 1 to engage the outer contact of a mating plug, and the strip 7 is bent as shown so that it contacts strip 5 until engaged by the inner contact end of the mating plug. The sleeve 8 has a square flange 12.
Patent GB-1440078-A (GB)
Title: Gas burners
IPC: F23D14/12
Filed: 1972-09-07
Abstract: 1440078 Gas burners WELDEX AG 7 Sept 1973 [7 Sept 1972] 41627/72 Heading F4T Apparatus for gas heating comprises a chamber 1 having a radiant face comprising a permeable woven web 3 of inorganic fibrous refractory material reinforced by refractory metal fibres interwoven therewith, means 8 for mixing oxygen-containing gas with fuel gas, means 5 for distributing the gaseous mixture so formed into the chamber 1, and means 6, 7 for feeding oxygen-containing gas under pressure to the mixing means 8. The inorganic fibrous material may be asbestos, calcium silicate, aluminium silicate, silica, glass fibre, rock slag or mineral wool, and the reinforcing metal may be nickel, chromium, molybdenum, tungsten or alloys of these. The web may be supported by metal wires or gauze. The radiant surface may be planar concave for heating the outside of cylindrical articles, or cylindrically convex for heating the inside of pipes. The web 3 may form an inner facing for one wall of chamber 1 and an outer facing of metal wire mesh 4, e.g. stainless steel or nickel alloy, may be separated by a 4-12 mm. gap from the web, primary combustion occuring at the web 3 and secondary combustion at the mesh 4.
Patent GB-975732-A (GB)
Title: Snap action electric switch
IPC: H01H13/28
Filed: 1961-11-22
Abstract: 975,732. Retractive switches. CHERRY ELECTRICAL PRODUCTS CORPORATION. Nov. 22, 1961 [Oct. 20, 1961], No. 41724/61. Heading H2B. In a snap-action switch comprising a body 10 and cover 11, mating to provide a cavity 12 containing a tension spring 43 and snap-acting switch blade 36, the snap-acting mechanism being actuated by a button part 48 depressible to move spring 43 over-centre, one end 46 of the coil spring 43 is hooked over a supporting pin 47 extending transversely between the body 10 and cover 11, and the cover 11 has a lateral extension 54 and spaced losses 55 for closing a compartment 50 around the hooked end 46 and maintaining spring 43 in a predetermined longitudinal plane with respect to the movable switch blade 36. Aligned ridges and recesses on cover 11 and body 10 engage one another to securely retain the switch parts therein.
Patent GB-1370885-A (GB)
Title: Fluid control valves
IPC: B65D83/16
Filed: 1971-12-01
Abstract: 1370885 Valves for dispensing from pressurized containers W G KEMPTON 1 Dec 1971 [1 Sept 1970] 41812/70 Heading B8N [Also in Divisions F1 and F2] A closure member for a valve for intermittently discharging metered quantities of fluid from a pressurized dispensing container comprises: a body 18 having a cavity 37 therein or an opening there-through; a support ring 40 seated on a shoulder 39 with the perimeter of its aperture overhanging the shoulder; and an elastomeric valve element 28, any selling of which can be accommodated in a part 38 of the cavity or opening. The body 18 has identical ends and is movable in a metering chamber 19 of the valve by an electromagnet 23 so as to alternately open and close an inlet 16, communicating with a pressurized dispenser (not shown), and an outlet 27.
Patent GB-1480321-A (GB)
Title: Corona generating device for electrostatic reproduction machine
IPC: G03G15/16
Filed: 1975-10-13
Abstract: 1480321 Corona discharge devices XEROX CORP 13 Oct 1975 [25 Nov 1974] 41826/75 Heading H1X [Also in Division H2] A D.C. biased A.C. corona generating device, e.g. for use in an electrostatic reproduction machine, comprises a metal shield 40 which surrounds the corona wire and which is grounded by an A.C. bypass capacitor. The arrangement allows A.C. current to be grounded whilst simultaneously blocking D.C. current so that the D.C. bias from battery 32 may be accurately controlled by varying the resistor 34. This control arrangement is particularly advantageous to maintain optimum performance in the detacking or stripping corona generator of a xerographic machine.
Patent GB-1442986-A (GB)
Title: Windscreen wiper apparatus
IPC: B60S1/38
Filed: 1972-09-08
Abstract: 1442986 Windscreen wipers COMPAGNIE CELS S A 3 Sept 1973 [8 Sept 1972] 41933/72 Heading A4F The wiping surface of a windscreen wiper blade is shaped so that part of the water on a screen is scooped up and swept clear and part spread over the surface as a film, the blade having portions 12, 13, 32, 33 to either side of a central rib 17 which form a wedge of water beneath them as they advance across the screen. The blade may have a flat 11 or convex 16 extremity, as shown, or be simple sector shape in section, Fig. 1 (not shown). Portions 23, 24 act as stops for ribs 19, 20 during flexing of the blade in use, Fig. 4.
Patent GB-1275946-A (GB)
Title: Apparatus for the conduction or exchange of heat
IPC: F28D15/04
Filed: 1969-08-25
Abstract: 1275946 Heat pipes JUNKERS FLUGZEUGUND MOTORENWERKE and K H HOCKER 25 Aug 1969 [28 Jan 1969] 42254/69 Heading F4U In a heat pipe comprising a closed chamber 25 containing a vapourizable liquid and one or several capillary bodies 27 produced from fine mesh wire or from sheet metal provided with capillaries, the internal surface 24 is formed with capillaries 26 extending transverse to the direction of liquid flow in the capillary bodies. As shown, the capillary bodies 27 communicate with the capillaries 26 through capillary crosspieces 29 consisting of grooved sheet metal. These cross-pieces also form a support structure for the bodies 27 and are held in position in longitudinal grooves 32. In use heat is supplied at 5 to the end wall 36 of the chamber which wall is provided with capillaries 26a. Heat is dissipated at 10. In alternative embodiments (see Figs. 2-14, not shown) various crosssectional shaped capillary bodies are employed (see Figs. 6-8, 10). A single or a plurality of bodies can be used and these are connected to each other and to the capillaries (26) by means of cross-members (29) and/or supporting structures (31). The chamber cross-section can be rectangular (Fig. 14) and the capillaries may comprise closed tubes or grooves of rectangular, semicircular or pear-shaped cross-section (see Fig. 16).
Patent GB-1128819-A (GB)
Title: Improvements relating to immersion heaters for nuclear reactor pressurisers
Inventor: HOLT FRANK
IPC: H05B3/82
Filed: 1965-10-06
Abstract: 1,128,819. Cooling reactors. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 5 Oct., 1966 [6 Oct., 1965 (2)], Nos. 42465/65 and 42466/65. Heading G6C. In a pressurized water-cooled and moderated reactor, pressure is maintained by vapour formed in the upper part of the pressure vessel by electric resistance heaters immersed in the coolant. To prevent corrosion currents in the reactor, the heaters are supplied from a threephase supply, the central-point of which is connected through a conductor to the metal sheathing of the heaters. Water is sprayed into the upper part of the vessel, i.e. the pressurizer, from a duct coupled to the coolant pump outlet. The core assemblies 11 are cooled by pressurized water urged upwards through the core by the pumps 20. The water flows from the plenum 25 downwards through the heat-exchangers 26 to the pump inlet duct 21. The upper portion 33, of the vessel 17, formed by the thermally insulated partition 31 serves as the pressurizer and is connected to the cooling water mass through the pipe 37. Pressurizing vapour is formed in the immersion heaters 41 and emerges into the space 33 through the openings 43.
Patent GB-1167805-A (GB)
Title: Improvements in or relating to Variable Reluctance Synchronous Electric Motors.
Inventor: JARRET JEAN
IPC: H02K19/10
Filed: 1967-09-19
Abstract: 1,167,805. Synchronous motors. J. JARRET and J. JARRET. 19 Sept., 1967 [19 Sept., 1966], No. 42507/67. Heading H2A. A variable-reluctance synchronous motor connected to have a low inertia comprises a stator 2 having two parallel rings of mutually opposite magnetic tips 20, 21 separated by a gap in which is produced by means on the stator both a steady and an A.C. magnetic field in a direction parallel with the motor shaft 10, and a rotor 1 having secured to such shaft two non-magnetic support members 13, 14 which define a groove 19 in which are anchored teeth 15 disposed in the gap and formed by stacks of alternate magnetic and non-magnetic insulating laminae 16, 17. The tips 20, 21 comprise grain orientated silicon steel strip wound and cut to form U-shaped back to-back wires 26...29 carrying main windings 22 connected to be energized by a 3 pH supply to produce the A.C. field. Two exciting windings 23 or a permanent magnet create the steady field, which is closed through mild steel support members 24, 25. The rotor laminae 16, 17 are respectively of pure iron and an adhering glass-fibre loaded material, and in the other embodiment are tapes wound simultaneously into a ring shape, deformed to a wave shape to form the teeth, a thermosetting material is injected into the glass fabric laminae, and grooves are cut to receive the support members 13, 14. The teeth 15 saturate during operation, and the shaft 10 is non-magnetic.